Adjustment
11 - 13
11.04.11 Bobbin-case opener
Requirement
The needle thread must not be clamped between the bobbin-case opener 2 and the bobbin-
case base 4, nor must it be clamped between projection 5 and the retaining trip of the needle
plate (see arrows).
● Unscrew covers 1 (on the left post from the rear side).
● Adjust the bobbin-case opener 2 (Screws 3) in accordance with the requirement.
● With the bobbin-case opener in this position, apply pressure on it from above, slide the
clamp collar 6 up as far as possible and tighten screw 2.
1
3
6
2
5
Fig. 11 - 11
4
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